CFA Review

This could be the dot diagram of

• Mg

• Cl

• C

• O

Tags

NGSS.HS-PS1-1

What is the goal of the Lewis Dot Structure?

• To determine the electron position.

• To show the element's valence electrons & bonding capabilities.

• To find the atomic mass of an element.

• To search for the number of electrons in an individual atom.

How many valence electrons should Lithium have in its Lewis dot model?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

How many valence electrons should Oxygen have in its Lewis dot model?

• 5

• 6

• 7

• 8

Tags

NGSS.HS-PS1-1

How many valence electrons should Magnesium have in its Lewis dot model?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

This is a correct dot diagram for nitrogen (N)

• true

• false

Tags

NGSS.HS-PS1-1

This is a correct dot diagram for carbon (C)

• true

• false

Tags

NGSS.HS-PS1-1

This is a correct dot diagram for neon (Ne)

• true

• false

Tags

NGSS.HS-PS1-1

Which of these is incorrect?

• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons should Boron have around its Lewis dot model?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1